[u/mrichter/AliRoot.git] / PHOS / AliPHOSTrackSegmentMakerv2.h

#ifndef ALIPHOSTRACKSEGMENTMAKERV2_H
#define ALIPHOSTRACKSEGMENTMAKERV2_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */
/* History of cvs commits:
 *
 * $Log$
 * Revision 1.50  2007/03/06 06:54:48  kharlov
 * DP:Calculation of cluster properties dep. on vertex added
 *
 * Revision 1.49  2007/02/01 13:59:11  hristov
 * Forward declaration
 *
 * Revision 1.48  2006/08/28 10:01:56  kharlov
 * Effective C++ warnings fixed (Timur Pocheptsov)
 *
 * Revision 1.47  2005/11/17 12:35:27  hristov
 * Use references instead of objects. Avoid to create objects when they are not really needed
 *
 * Revision 1.46  2005/05/28 14:19:05  schutz
 * Compilation warnings fixed by T.P.
 *
 */

//_________________________________________________________________________
// Implementation version 1 of algorithm class to construct PHOS track segments
// Associates EMC and CPV lusters
// Unfolds the EMC cluster   
//                  
//*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH)

// --- ROOT system ---
#include <TVector3.h>

// --- Standard library ---

// --- AliRoot header files ---
#include "AliPHOSTrackSegmentMaker.h"

class AliPHOSEmcRecPoint ;
class AliPHOSCpvRecPoint ;
class AliESDtrack ;
class TClonesArray;

class  AliPHOSTrackSegmentMakerv2 : public AliPHOSTrackSegmentMaker {

public:

  AliPHOSTrackSegmentMakerv2() ;                     
  AliPHOSTrackSegmentMakerv2(const TString & alirunFileNameFile, const TString & eventFolderName = AliConfig::GetDefaultEventFolderName());
  AliPHOSTrackSegmentMakerv2(const AliPHOSTrackSegmentMakerv2 & tsm);

  virtual ~ AliPHOSTrackSegmentMakerv2() ; // dtor
  
  //  virtual char*  GetRecPointsBranch    (void)const{return (char*)fRecPointsBranchTitle.Data() ;}
  //  virtual char*  GetTrackSegmentsBranch(void)const{return (char*)fTrackSegmentsBranchTitle.Data() ;}
  virtual Int_t GetTrackSegmentsInRun()const {return fTrackSegmentsInRun ;}  

  virtual void   Exec(Option_t *option); // Does the job
          void   FillOneModule() ;       // Finds range in which RecPoints belonging current PHOS module are

          void   MakeLinks() const;      //Evaluates distances(links) between EMC and CPV
          void   MakePairs() ;           //Finds pairs(triplets) with smallest link
  virtual void   Print(const Option_t * = "") const ;
  //Switch to "on flyght" mode, without writing to TreeR and file  
  void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;} 
  virtual void   SetMaxTPCDistance(Float_t r){ fRtpc = r ;} //Maximal distance 
                                                               //between EMCrp and extrapolation of TPC track
  //  virtual void   SetRecPointsBranch(const char * title) { fRecPointsBranchTitle = title ;} 
  //  virtual void   SetTrackSegmentsBranch(const char * title){ fTrackSegmentsBranchTitle = title ; }
  virtual const char * Version() const { return "tsm-v2" ; }  

  AliPHOSTrackSegmentMakerv2 & operator = (const AliPHOSTrackSegmentMakerv2 & )  {
    // assignement operator requested by coding convention but not needed
    Fatal("operator =", "not implemented") ;
    return *this ; 
  }
  void Unload() ;

private:

  const TString BranchName() const ; 
  void  GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliESDtrack* track,
                               Float_t &dx, Float_t &dz ) const ; // see R0
  void    Init() ;
  void    InitParameters() ;
  void    PrintTrackSegments(Option_t *option) ;
  virtual void   WriteTrackSegments() ;
  void    GetVertex(void) ;
  void    EvalRecPoints(void) ;

private:  

  Bool_t  fDefaultInit;               //! Says if the task was created by defaut ctor (only parameters are initialized)
  Bool_t  fWrite ;                   // Write Tracks to TreeT  
 
  Int_t fNTrackSegments ; // number of track segments found 

  Float_t fRtpc ;        // Maximum distance between a EMC RecPoint and extrapolation of a TPC track   
  
  TVector3 fVtx ;        //! Vertex in current position

  TClonesArray * fLinkUpArray  ;  //!
  TList *fTPC[5];        //! lists of TPC tracks sorted over PHOS modules
  Int_t fEmcFirst;     //! Index of first EMC RecPoint belonging to currect PHOS module
  Int_t fEmcLast ;     //!
  Int_t fModule ;      //! number of module being processed
  Int_t fTrackSegmentsInRun ; //! Total number of track segments in one run

  ClassDef( AliPHOSTrackSegmentMakerv2,1)  // Implementation version 1 of algorithm class to make PHOS track segments 

 };

#endif // AliPHOSTRACKSEGMENTMAKERV2_H
Commit	Line	Data
861b23c3	1	#ifndef ALIPHOSTRACKSEGMENTMAKERV2_H
	2	#define ALIPHOSTRACKSEGMENTMAKERV2_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id$ */
	7	/* History of cvs commits:
	8	*
	9	* $Log$
	10	* Revision 1.50 2007/03/06 06:54:48 kharlov
	11	* DP:Calculation of cluster properties dep. on vertex added
	12	*
	13	* Revision 1.49 2007/02/01 13:59:11 hristov
	14	* Forward declaration
	15	*
	16	* Revision 1.48 2006/08/28 10:01:56 kharlov
	17	* Effective C++ warnings fixed (Timur Pocheptsov)
	18	*
	19	* Revision 1.47 2005/11/17 12:35:27 hristov
	20	* Use references instead of objects. Avoid to create objects when they are not really needed
	21	*
	22	* Revision 1.46 2005/05/28 14:19:05 schutz
	23	* Compilation warnings fixed by T.P.
	24	*
	25	*/
	26
	27	//_________________________________________________________________________
	28	// Implementation version 1 of algorithm class to construct PHOS track segments
	29	// Associates EMC and CPV lusters
	30	// Unfolds the EMC cluster
	31	//
	32	//*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH)
	33
	34	// --- ROOT system ---
	35	#include <TVector3.h>
	36
	37	// --- Standard library ---
	38
	39	// --- AliRoot header files ---
	40	#include "AliPHOSTrackSegmentMaker.h"
	41
	42	class AliPHOSEmcRecPoint ;
	43	class AliPHOSCpvRecPoint ;
	44	class AliESDtrack ;
	45	class TClonesArray;
	46
	47	class AliPHOSTrackSegmentMakerv2 : public AliPHOSTrackSegmentMaker {
	48
	49	public:
	50
	51	AliPHOSTrackSegmentMakerv2() ;
	52	AliPHOSTrackSegmentMakerv2(const TString & alirunFileNameFile, const TString & eventFolderName = AliConfig::GetDefaultEventFolderName());
	53	AliPHOSTrackSegmentMakerv2(const AliPHOSTrackSegmentMakerv2 & tsm);
	54
	55	virtual ~ AliPHOSTrackSegmentMakerv2() ; // dtor
	56
	57	// virtual char* GetRecPointsBranch (void)const{return (char*)fRecPointsBranchTitle.Data() ;}
	58	// virtual char* GetTrackSegmentsBranch(void)const{return (char*)fTrackSegmentsBranchTitle.Data() ;}
	59	virtual Int_t GetTrackSegmentsInRun()const {return fTrackSegmentsInRun ;}
	60
	61	virtual void Exec(Option_t *option); // Does the job
	62	void FillOneModule() ; // Finds range in which RecPoints belonging current PHOS module are
	63
	64	void MakeLinks() const; //Evaluates distances(links) between EMC and CPV
65	void MakePairs() ; //Finds pairs(triplets) with smallest link
66	virtual void Print(const Option_t * = "") const ;
67	//Switch to "on flyght" mode, without writing to TreeR and file
68	void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;}
69	virtual void SetMaxTPCDistance(Float_t r){ fRtpc = r ;} //Maximal distance
70	//between EMCrp and extrapolation of TPC track
71	// virtual void SetRecPointsBranch(const char * title) { fRecPointsBranchTitle = title ;}
72	// virtual void SetTrackSegmentsBranch(const char * title){ fTrackSegmentsBranchTitle = title ; }
73	virtual const char * Version() const { return "tsm-v2" ; }
74
75	AliPHOSTrackSegmentMakerv2 & operator = (const AliPHOSTrackSegmentMakerv2 & ) {
76	// assignement operator requested by coding convention but not needed
77	Fatal("operator =", "not implemented") ;
78	return *this ;
79	}
80	void Unload() ;
81
82	private:
83
84	const TString BranchName() const ;
85	void GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliESDtrack* track,
86	Float_t &dx, Float_t &dz ) const ; // see R0
87	void Init() ;
88	void InitParameters() ;
89	void PrintTrackSegments(Option_t *option) ;
90	virtual void WriteTrackSegments() ;
91	void GetVertex(void) ;
92	void EvalRecPoints(void) ;
93
94	private:
95
96	Bool_t fDefaultInit; //! Says if the task was created by defaut ctor (only parameters are initialized)
97	Bool_t fWrite ; // Write Tracks to TreeT
98
99	Int_t fNTrackSegments ; // number of track segments found
100
101	Float_t fRtpc ; // Maximum distance between a EMC RecPoint and extrapolation of a TPC track
102
103	TVector3 fVtx ; //! Vertex in current position
104
105	TClonesArray * fLinkUpArray ; //!
106	TList *fTPC[5]; //! lists of TPC tracks sorted over PHOS modules
107	Int_t fEmcFirst; //! Index of first EMC RecPoint belonging to currect PHOS module
108	Int_t fEmcLast ; //!
109	Int_t fModule ; //! number of module being processed
110	Int_t fTrackSegmentsInRun ; //! Total number of track segments in one run
111
112	ClassDef( AliPHOSTrackSegmentMakerv2,1) // Implementation version 1 of algorithm class to make PHOS track segments
113
114	};
115
116	#endif // AliPHOSTRACKSEGMENTMAKERV2_H